The nurse is caring for a diabetic patient in renal failure. Which laboratory findings would the nurse expect?
a. pH 7.3, PaCO2 36 mm Hg, HCO3– 19 mEq/L
b. pH 7.5, PaCO2 35 mm Hg, HCO3– 35 mEq/L
c. pH 7.3, PaCO2 47 mm Hg, HCO3– 23 mEq/L
d. pH 7.35, PaCO2 40 mm Hg, HCO3– 25 mEq/L
ANS: A
Patients in renal failure develop metabolic acidosis. The laboratory values that reflect this are pH 7.3, PaCO2 36 mm Hg, HCO3– 19 mEq/L. A laboratory finding of pH 7.5, PaCO2 35 mm Hg, HCO3– 35 mEq/L is metabolic alkalosis. pH 7.3, PaCO2 47 mm Hg, HCO3– 23 mEq/L is respira-tory acidosis. pH 7.35, PaCO2 40 mm Hg, HCO3– 25 mEq/L values are within normal range.
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